Finding the Fourth Proportional to 2,859,276.11, 4,289,063.94 and 2,177,232.68
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Solution
The fourth proportional to 2,859,276.11, 4,289,063.94 and 2,177,232.68 is: 3,265,963.08
Step by Step Solution
- Step 1: Write the proportion equation
2,859,276.11 : 4,289,063.94 = 2,177,232.68 : x - Step 2: Convert to fraction form
2,859,276.11/4,289,063.94 = 2,177,232.68/x - Step 3: Cross multiply
2,859,276.11x = 4,289,063.94 × 2,177,232.68 - Step 4: Simplify right side
2,859,276.11x = 9,338,290,187,500.22 - Step 5: Solve for x
x = 9,338,290,187,500.22/2,859,276.11 - Step 6: Final answer
x = 3,265,963.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.